SQP40AJB-120R

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Through Hole Resistors are commonly used in a variety of applications to regulate current and voltage flow within an electrical circuit. One such resistor is the SQP40AJB-120R, which offers a reliable performance for many applications. This article provides an overview of the field of application and working principle of the SQP40AJB-120R.

Application Field of the SQP40AJB-120R

The SQP40AJB-120R is designed to be used as a through hole resistor in a variety of applications. For example, it is commonly used as a low-to-medium voltage load resistor in control circuitry, thanks to its high voltage breakdown rating and its low power rating. It is also frequently used in high-temperature environments, due to its excellent thermal stability and wide operating temperature range. Other common uses for the SQP40AJB-120R include current sensing and surge protection.

Working Principle of the SQP40AJB-120R

The SQP40AJB-120R operates on a simple working principle. When a current is applied to the resistor, a voltage drop forms across the resistor, which is proportional to the current applied. This voltage drop reduces the voltage at the load, acting as a regulator and reducing the current flow. This regulation ensures that the load receives the required amount of current, allowing it to operate safely and effectively.

The SQP40AJB-120R is designed to regulate currents of up to 120 watts, meaning it is well suited to small-to-medium sized applications. It can handle peak current levels up to 750 amps, and its wide operating temperature range allows it to operate in most applications. It also has a relatively low thermal dissipation capability, meaning it can tolerate higher temperatures without needing to be replaced.

The SQP40AJB-120R is also designed to resist corrosive and destructive environmental influences, which makes it suitable for use in a wide variety of applications. It has a low leakage current, meaning it has fewer chances of damaging the load, and it can be used in a wide variety of electrical layouts and locations.

Conclusion

The SQP40AJB-120R is a reliable through hole resistor suitable for a variety of applications. It is highly resistant to environmental influences, can handle current levels of up to 120 watts, and it offers a wide operating temperate range, making it a popular choice for many applications. Its working principle relies on creating a voltage drop across the resistor, allowing it to regulate current flow to the load, ensuring it operates safely and reliably.

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